GBSELL Portable 2.4G 6 Keys Wireless Optical Mouse Mice For Computer PC Laptop Gamer Interface: USB; Mini adapter Plug and play; Portable and weight light, very convenient to carry and store Wireless transmission, the longest sensing distance up to 10-15 meters; Up to 10 meters of operating distance With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing Power switch for save power; Power Supply: 2 x AAA Battery(Not included) Mouse type: Wireless Optical Mouse;Size:95*54*30mm